<ul>
<li><a href='index.php?action=createad'>Create ad unit</a></li>
<li><a href='index.php?action=display'>Display/Edit ad unit</a></li>
<li><a href='index.php?action=createaccount'>Create new user</a></li>
<li><a href='index.php?action=managecampaigns'>Manage campaigns</a></li>
</ul>
